CN219461650U - Cornea marker - Google Patents
Cornea marker Download PDFInfo
- Publication number
- CN219461650U CN219461650U CN202320293195.8U CN202320293195U CN219461650U CN 219461650 U CN219461650 U CN 219461650U CN 202320293195 U CN202320293195 U CN 202320293195U CN 219461650 U CN219461650 U CN 219461650U
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- control
- marking
- ring
- handle
- marking ring
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Abstract
The utility model relates to the technical field of ophthalmic surgical instruments, in particular to a cornea marker; the device comprises a marking ring, wherein a handle is fixedly connected to the marking ring, a control handle is rotationally connected to the handle, a plurality of control boards matched with the marking ring are connected to the marking ring in a sliding manner, and a first control mechanism matched with the control boards is arranged in the marking ring; a marking line is arranged below the marking ring, and the control panel is connected with the marking line; the problems of diameter passing section, fixed curvature and lack of positioning after the limbus of the cornea marker in the prior art are effectively solved, and the requirements of medical staff are greatly met; the working efficiency of medical staff is greatly improved.
Description
Technical Field
The utility model relates to the technical field of ophthalmic surgical instruments, in particular to a cornea marker.
Background
The cornea transplanting operation is to replace the turbid cornea or cornea with pathological part with transparent cornea slice to achieve the purposes of increasing vision, treating certain keratopathy and improving appearance, and is an operation with best allograft effect; the operation principle is to select cornea trephine with proper caliber according to the pathological change range, make operation eye and cornea excision for eye, make transplanting bed (operation eye) and transplanting sheet (eye supply), place transplanting sheet on displacement bed, fix suture.
The technical key of the cornea transplanting operation is that the suture of the transplanting piece, good alignment suture can effectively reduce irregular astigmatism of cornea and improve postoperative vision; the existing cornea marker is only used for cornea excimer laser refractive surgery, and cannot be applied to cornea marking in cornea transplantation surgery due to factors such as too short diameter, fixed curvature and the like; in addition, for cataract or intraocular lens ciliary sulcus fixation, special tools are often required to position 2mm posterior to the limbus; the process is very troublesome to operate and has low accuracy; thus, there is a great need for a corneal marker that addresses the current problem.
Disclosure of Invention
In order to solve the problems, the utility model provides a cornea marker, which effectively solves the problems of diameter passing section, fixed curvature and lack of positioning after limbus of the cornea marker in the prior art, and greatly meets the demands of medical staff; the working efficiency of medical staff is greatly improved.
In order to achieve the above purpose, the present utility model proposes the following technical scheme: the cornea marker comprises a marker ring, wherein a handle is fixedly connected to the marker ring, a control handle is rotationally connected to the handle, a plurality of control boards matched with the marker ring are connected to the marker ring in a sliding manner, and a first control mechanism matched with the control boards is arranged in the marker ring; a marking line is arranged below the marking ring, and the control panel is connected with the marking line.
Further: the first control mechanism comprises a first rotary gear coaxially fixedly connected with the control handle, and a first connecting gear meshed with the first rotary gear is rotationally connected with the handle; the first connecting gear is coaxially and fixedly connected with a first control worm, the marking ring is internally and rotatably connected with a first control worm wheel meshed with the first control worm, the first control worm wheel is coaxially and fixedly connected with a first functional gear, the marking ring is internally and rotatably connected with a first control ring meshed with the first functional gear, the marking ring is internally and slidably connected with a plurality of first connecting sliding rods, and the first connecting sliding rods are fixedly connected with corresponding control plates respectively; the first connecting sliding rods are all in sliding connection with the first control ring; the first control ring is provided with a chute matched with the first connecting slide bar.
Further: the control panel is an arc panel.
Further: the marking line is made of elastic materials.
Compared with the prior art, the gain effect of the utility model is as follows:
the cornea marking device has ingenious conception and comprehensive functions, and the marking line and the first control mechanism are arranged to not only mark the cornea, but also position the cornea 2mm after the cornea edge; the problems of diameter passing section, fixed curvature and lack of positioning after the limbus of the cornea marker in the prior art are effectively solved, and the requirements of medical staff are greatly met; the working efficiency of medical staff is greatly improved.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a partial construction diagram of the present utility model.
Fig. 3 is a perspective view of a first control mechanism according to the present utility model.
Fig. 4 is an enlarged view of a portion of a first control mechanism of the present utility model.
In the figure: 1. the marking device comprises a marking ring, 2, a handle, 3, a control handle, 4, a control board, 5, a first rotary gear, 6, a first connecting gear, 7, a first control worm, 8, a first control worm wheel, 9, a first connecting sliding rod, 10, a first functional gear, 11, a first control ring, 12 and a marking line.
Detailed Description
The cornea marker comprises a marker ring 1, wherein a handle 2 is fixedly connected to the marker ring 1, a control handle 3 is rotatably connected to the handle 2, a plurality of control boards 4 matched with the marker ring 1 are connected to the marker ring 1 in a sliding manner, and a first control mechanism matched with the control boards 4 is arranged in the marker ring 1; a marking line 12 is arranged below the marking ring 1, and the control panel 4 is connected with the marking line 12.
As shown in fig. 1 and 3: when a medical staff operates the utility model, after the medical staff attaches the marking liquid on the marking line 12, the medical staff positions the cornea through the marking ring 1, and after the positioning is finished, the medical staff can position the position 2mm behind the limbus through the first connecting sliding rod 9; the implantation bed is formed, and the implantation bed and the implantation sheet are provided with the same mark line, so that only the suture line is required to be aligned during the suture; the problems of diameter passing section, fixed curvature and lack of positioning after the limbus of the cornea marker in the prior art are effectively solved, and the requirements of medical staff are greatly met; the working efficiency of medical staff is greatly improved.
The first control mechanism comprises a first rotary gear 5 coaxially fixedly connected with the control handle 3, and a first connecting gear 6 meshed with the first rotary gear 5 is rotationally connected with the handle 2; the first connecting gear 6 is coaxially and fixedly connected with a first control worm 7, the first control worm wheel 8 meshed with the first control worm 7 is rotationally connected with the marking ring 1, the first control worm wheel 8 is coaxially and fixedly connected with a first functional gear 10, the marking ring 1 is rotationally connected with a first control ring 11 meshed with the first functional gear 10, the marking ring 1 is slidingly connected with a plurality of first connecting sliding rods 9, and the first connecting sliding rods 9 are fixedly connected with corresponding control boards 4 respectively; the first connecting sliding rods 9 are all in sliding connection with the first control ring 11; the first control ring 11 is provided with a chute matched with the first connecting slide bar 9; the control panel 4 is a radian panel; the marker line 12 is composed of an elastic material.
As shown in fig. 2, 3 and 4: when the medical staff rotates the control handle 3, the control handle 3 can rotate to drive the first control worm 7 and the first control worm wheel 8 to rotate through the first rotary gear 5 and the first connecting gear 6; the first control worm 7 and the first control worm wheel 8 can rotate to drive the control panel 4 and the first connecting slide bar 9 to slide through the first functional gear 10 and the first control ring 11; thereby achieving the positioning of the position 2mm behind the limbus.
The working process of the utility model is as follows:
as shown in fig. 1, 2, 3 and 4: when a medical staff operates the utility model, after the medical staff attaches the marking liquid on the marking line 12, the medical staff positions the cornea through the marking ring 1, and when the medical staff rotates the control handle 3 after the positioning is finished, the control handle 3 can rotate to drive the first control worm 7 and the first control worm wheel 8 to rotate through the first rotary gear 5 and the first connecting gear 6; the first control worm 7 and the first control worm wheel 8 can rotate to drive the control panel 4 and the first connecting slide bar 9 to slide through the first functional gear 10 and the first control ring 11; thereby realizing the positioning of the position 2mm behind the limbus; the implantation bed is formed, and the implantation bed and the implantation sheet are provided with the same mark line, so that only the suture line is required to be aligned during the suture; the problems of diameter passing section, fixed curvature and lack of positioning after the limbus of the cornea marker in the prior art are effectively solved, and the requirements of medical staff are greatly met; the working efficiency of medical staff is greatly improved.
Claims (4)
1. A corneal marker, characterized by: the automatic marking device comprises a marking ring (1), wherein a handle (2) is fixedly connected to the marking ring (1), a control handle (3) is rotationally connected to the handle (2), a plurality of control boards (4) matched with the marking ring are connected to the marking ring (1) in a sliding manner, and a first control mechanism matched with the control boards (4) is arranged in the marking ring (1); a marking line (12) is arranged below the marking ring (1), and the control boards (4) are connected with the marking line (12).
2. A corneal marker as in claim 1, wherein: the first control mechanism comprises a first rotary gear (5) coaxially fixedly connected with the control handle (3), and a first connecting gear (6) meshed with the first rotary gear (5) is rotationally connected with the handle (2); the first connecting gear (6) is coaxially and fixedly connected with a first control worm (7), the marking ring (1) is rotationally connected with a first control worm wheel (8) meshed with the first control worm (7), the first control worm wheel (8) is coaxially and fixedly connected with a first functional gear (10), the marking ring (1) is rotationally connected with a first control ring (11) meshed with the first functional gear (10), the marking ring (1) is internally and slidingly connected with a plurality of first connecting sliding rods (9), and the first connecting sliding rods (9) are fixedly connected with corresponding control boards (4) respectively; the first connecting sliding rods (9) are all in sliding connection with the first control ring (11); the first control ring (11) is provided with a chute matched with the first connecting slide bar (9).
3. A corneal marker as in claim 1, wherein: the control panel (4) is an arc panel.
4. A corneal marker as in claim 1, wherein: the marking line (12) is made of an elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320293195.8U CN219461650U (en) | 2023-02-23 | 2023-02-23 | Cornea marker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320293195.8U CN219461650U (en) | 2023-02-23 | 2023-02-23 | Cornea marker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219461650U true CN219461650U (en) | 2023-08-04 |
Family
ID=87468421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320293195.8U Active CN219461650U (en) | 2023-02-23 | 2023-02-23 | Cornea marker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219461650U (en) |
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2023
- 2023-02-23 CN CN202320293195.8U patent/CN219461650U/en active Active
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